001/**
002 *
003 * Copyright the original author or authors
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smack.util.stringencoder.java7;
018
019import java.util.Base64;
020
021/**
022 * A Base 64 encoding implementation.
023 * @author Florian Schmaus
024 */
025public final class Java7Base64Encoder implements org.jivesoftware.smack.util.stringencoder.Base64.Encoder {
026
027    private static final Java7Base64Encoder instance = new Java7Base64Encoder();
028
029    private final Base64.Encoder encoder;
030    private final Base64.Encoder encoderWithoutPadding;
031
032    private final Base64.Decoder decoder;
033
034    private Java7Base64Encoder() {
035        encoder = Base64.getEncoder();
036        encoderWithoutPadding = encoder.withoutPadding();
037        decoder = Base64.getDecoder();
038    }
039
040    public static Java7Base64Encoder getInstance() {
041        return instance;
042    }
043
044    @Override
045    public byte[] decode(String string) {
046        return decoder.decode(string);
047    }
048
049    @Override
050    public String encodeToString(byte[] input) {
051        return encoder.encodeToString(input);
052    }
053
054    @Override
055    public String encodeToStringWithoutPadding(byte[] input) {
056        return encoderWithoutPadding.encodeToString(input);
057    }
058
059    @Override
060    public byte[] encode(byte[] input) {
061        return encoder.encode(input);
062    }
063}